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Finding the Fourth Proportional to 64,958, 97,435.32 and 17,577.68

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Solution

The fourth proportional to 64,958, 97,435.32 and 17,577.68 is: 26,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,958 : 97,435.32 = 17,577.68 : x
  2. Step 2: Convert to fraction form
    64,958/97,435.32 = 17,577.68/x
  3. Step 3: Cross multiply
    64,958x = 97,435.32 × 17,577.68
  4. Step 4: Simplify right side
    64,958x = 1,712,686,875.66
  5. Step 5: Solve for x
    x = 1,712,686,875.66/64,958
  6. Step 6: Final answer
    x = 26,366.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.